I need help for graph filtering

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Let's say I have 3 graphs (fft graphs). I want to get from each of these graphs all peaks (y and corresponding x) and the number of time of occurence for each of these peak in each graph.
which tools should I use ??

Accepted Answer

Walter Roberson
Walter Roberson on 7 May 2015
Edited: Walter Roberson on 7 May 2015
See this file exchange contribution -- provided that is that what you have is the data for the arrays, not image files.
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Joel Sande
Joel Sande on 2 Jun 2015
Thank you soooo much. That is exactely what I wanted.

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